SC403 Ver la hoja de datos (PDF) - Semtech Corporation

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Fabricante

SC403

6A EcoSpeedTM Integrated FET Regulator with Programmable LDO

Semtech Corporation 

SC403

Electrical Characteristics (continued)

Parameter

Conditions

Current Sense

Zero-Crossing Detector Threshold

LX - PGND

Power Good

Power Good Threshold

Start-Up Delay Time (between PWM enable and

PGOOD going high)

Soft Start Threshold

Upper limit, VFB > internal 750mV reference

Lower limit, VFB < internal 750mV reference

VDD = 3V, CSS = 10nF

VDD = 5V, CSS = 10nF

When PGOOD logic switches high

Fault (noise immunity) Delay Time

Leakage

Power Good On-Resistance

Fault Protection

Valley Current Limit

Output Under-Voltage Fault

Smart Power-save Protection Threshold

Over-Voltage Protection Threshold

Over-Voltage Fault Delay

VDD = 5V,RILIM = 6k Ω

VDD = 3V,RILIM = 6k Ω

VFB with respect to internal 750mV reference,

8 consecutive clocks

VFB with respect to internal 750mV reference

VFB with respect to internal 750mV reference

Over-Temperature Shutdown

10°C hysteresis

Logic Inputs/Outputs

Logic Input High Voltage

ENL, minimum level

Logic Input Low Voltage

ENL, maximum level

EN/PSV Input for PSAVE Operation

EN/PSV Input for Forced Continuous Operation

Maximum level expressed in % of VDD

Minimum level expressed in % of VDD

Maximum level expressed in % of VDD

Minimum level

Min Typ Max Units

-3

0

+3

mV

+20

%

-10

%

7

ms

12

64

%

5

µs

1

µA

10

Ω

5.1

A

4.3

-25

%

+10

%

+20

%

5

μs

155

°C

1

V

0.4

V

100

%

45

42

%

1

V



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